EDIT

ref #5974 Fix synonymRelationship issues in vaadin

ref #5974 remove synonym relationship and other model changes

ref #5974 Remove synonym relationships

ref #5458 Fix potential SQL query syntax exception

ref #5458 Clear caches when re-initializing table view

ref #5458 Fix some intitialization problems

ref #5458 Fix exception for non-unique column ids

ref #5458 Refactor SQLException handling

ref #5458 Performance increase for taxon node selection

• by using SqlContainer the nodes are lazily loaded
• child nodes are loaded via a second SQL query which is filtered for parent_id when expanding a node
• parent-child relations are cached

ref #5458 Add support for setting distribution status filter in settings